Runs code in response to events and automatically manages the computing resources required by that code
AWS targets starting a Lambda instance within milliseconds of an event.
Simplify building smaller, on-demand applications that are responsive to events and new information.
Pricing
Metered in increments of 100 milliseconds.
Usage amounts below a documented threshold fall within the AWS Lambda free tier - which does not expire 12 months after account signup, unlike the free tier for some AWS services